Finding the Fourth Proportional to 22,149.98, 30,566.53 and 12,078.47

Step by Step Solution

1. Step 1: Write the proportion equation
   22,149.98 : 30,566.53 = 12,078.47 : x
2. Step 2: Convert to fraction form
   22,149.98/30,566.53 = 12,078.47/x
3. Step 3: Cross multiply
   22,149.98x = 30,566.53 × 12,078.47
4. Step 4: Simplify right side
   22,149.98x = 369,196,915.61
5. Step 5: Solve for x
   x = 369,196,915.61/22,149.98
6. Step 6: Final answer
   x = 16,668.05